fuppofed Embryoes of Soles. 



ality very far from being fufficient 

 to determine what it really is. 



On the left- fide of the Shrimp, 

 juft below the Head, a circular 

 Portion of the Shell, about one fourth 

 of an Inch in Diameter, rifes to & 

 convex Surface, and inclofes within 

 within it a plano-concave Excref- 

 cence, the Concave of which is raifed 

 to a Convex by the Infertion of a 

 Quantity of Spawn, protruding at one 

 Extremity an expanded Tail, at the 

 other a bony Subftance, fomewhat 

 refembling the Head and Tail of a 

 fmall Sole. The Body alfo, when 

 the exterior concave Surface is cleared 

 of the Spawn, which fills the Ca- 

 vity, appears to be diftinguifhed 

 throughout its whole Length by a 

 feemingly articulated Line, with o- 

 thers equidiftant departing from it 

 at acute Angles, as the fmall Bones 

 are known to go off from the Back- 

 bone in the generality of Fifh; theinter- 

 mediate Spaces are accordingly filled up 

 with a light-coloured fiftiy Subftance. 

 But what is ftill more remarkable, 

 is, that if a fmall Portion of the cir- 

 cular Ledge> that forms the Cavity 



021 



